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                                                                   EXHIBIT 10.14

June 1, 1998

Hon Wah Chin
3281 Greer Rd.
Palo Alto, CA 94303

Dear Hon,

On behalf of Optical Networks, Incorporated, I am pleased to offer you the
position of Vice President and Chief Technology Officer of ONI.  In this
position, you will report to the President and CEO, Hugh Martin.

You will receive a starting base salary of $13,333 per month, which is
equivalent to $160,000 per year, subject to federal, state and other applicable
taxes and payable monthly.

You will be eligible to earn an annual performance bonus.  For 1998, this bonus
will be $40,000, paid on two installments, $20,000 upon starting, and $20,000
after 6 months of employment.  In addition, the company will provide you with a
$5,000 credit to purchase any personal computer for your home through ONI from
Dell Computer.  Any tax implications of this purchase will be covered by the
company.

At the Company's Board of Directors meeting following the start of your
employment, the Board will grant you a stock award to purchase 168,500 shares of
the Company's capital stock (the "Shares").  The purchase price for the Shares
will be the then current fair market value of the Company Common Stock, which is
anticipated to be $0.36.  This stock award will be evidenced by a Restricted
Stock Purchase Agreement, the form of which shall be provided to you prior to
your employment.

You shall have the right to purchase the Shares either by cash payment or with a
promissory note, which shall bear interest at the lowest legal rate (the
"Note").  The Note shall be in a form and on terms, which are acceptable to the
Company and to you.  At your option, subject to California Corporation Code,
section 500, the Note may be repaid with shares of the Company's common stock,
which have a fair market value equal to the outstanding payments which are due
at the time of payment.

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The Shares shall be subject to a right of repurchase in favor of the Company, at
the original purchase price, which shall lapse as follows: the Company's
repurchase right will lapse with respect to twenty-five percent (25%) of the
Shares twelve (12) months from the commencement date of your employment with the
Company and will lapse at a rate of 1/48th of the Shares each month thereafter.
You will have the right to make an election under Section 83(b) of the Internal
Revenue Code in conjunction with the purchase of the Shares.

In the event of (a) a merger or consolidation in which the Company is not the
surviving corporation (other than a merger or consolidation with a wholly-owned
subsidiary, a reincorporation of the Company in a different jurisdiction, or
other transaction in which there is no substantial change in the shareholders of
the Company or their relative stock holdings), (b) a merger in which the Company
is the surviving corporation but after which the shareholders of the Company
immediately prior to such merger cease to own shares or other equity interests
in the Company representing at least fifty percent (50%) of the voting power of
all securities of the Company, or (c) the sale of all or substantially all of
the assets of the Company (any and all of which are referred to as a
"Transaction"), the Company will (i) waive the Company's right of repurchase
with respect to fifty percent (50%) of the Shares which were subject to the
Company's repurchase right as of the effective date of the Transaction, and (ii)
waive similar rights of repurchase or other vesting requirements with respect to
fifty percent (50%) of any other securities of the Company that may, in the
future, be granted or sold to you by the Company and that remain subject to such
similar rights of repurchase or vesting requirements as of the effective date of
the Transaction.

In the event of any actual or "involuntary" termination of your employment by
the Company without cause, (A) you will continue to receive your then current
salary and insurance benefits for a period of six months following the date of
such termination without cause, and (B) with respect to a given equity grant,
provided that there has not been, and will not be, any waiver of repurchase
rights or other vesting requirements pursuant to the preceding paragraph, the
Company will waive its rights of repurchase and other vesting requirements
solely to the extent that such rights of repurchase and other vesting
restrictions would have lapsed or expired by their terms had you remained
employed by the Company for six months following the date of such termination
without cause.  In no event or series of events will rights of repurchase or
other vesting restrictions be waived, with respect to a given equity grant, due
to the terms of both this paragraph and the preceding paragraph.

An "involuntary" termination will be deemed to have occurred if both (A) any of
the following actions is taken by the Company and such action is not reversed in
full by the
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Company within fourteen days: (i) your aggregate compensation and benefits are
materially reduced, (ii) your duties and responsibilities are significantly
decreased in a way that is adverse to you, (iii) you are required to perform
your employment obligations (other than travel on business) at a location more
than sixty (60) miles away from the Company's current offices, and/or (iv) the
terms of this offer letter are not assumed in full by any acquiror or other
successor to the Company, and (B) you, after the expiration of such fourteen-day
period, resign in writing stating that your resignation is as a result of, and
specifying in reasonable detail the nature of, such uncured action listed above.
Other changes in the Company's management or reporting structure, or changes in
your position's title, shall not constitute an "involuntary" termination.

As a condition of your employment, you will be required to sign Optical
Networks' Proprietary Information Agreement.  You must also provide on your
first day of employment your proof of right to work in the United States.  If
you have any questions on either of these two areas, please contact Lisa Blos-
Johnson, VP of Human Resources, at (650) 845-5319.

You will also receive the benefits that the company offers to its employees.
The company currently provides health insurance, dental insurance, life
insurance, disability insurance, a vision plan, a Section 125 program and a 401K
plan.  Included in our benefits program is our vacation and holiday policy.  We
will be offering you 15 days of vacation per year, 10 company holidays and up to
a maximum of 10 sick days per year.

Due to your individual circumstances we are comfortable with dual employment for
a period of time to help bridge your upcoming stock option vesting date.  This
accommodation is made with the explicit understanding that there will be a
waiver signed by you in regards to intellectual property that protects ONI.

This is an offer for "at will" employment, and does not constitute an offer or
guarantee of employment for any period of time.  Your employment and
compensation can be terminated at any time (either by you unilaterally, or by
the Company unilaterally, in each case without notice) for any or no reason,
subject to the terms hereof, and your rights to compensation and benefits
thereunder would terminate as well.  This letter constitutes the full and entire
understanding and agreement between the parties with respect to the subject
matter hereof, and supersedes any prior discussions and letters, with the
exceptions of (I) your restricted stock purchase agreement which will define the
terms of your stock purchase, (II) the employee Proprietary Information
Agreement, and (III) the provisions of the benefits plans, which govern the
benefits described above.

This offer is contingent on satisfactory reference checks and is effective
through June 1, 1998.  It will expire if not accepted in writing by that date.

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I would like to add, Hon, that both the Board of Optical Networks and I consider
that you would be a most valuable addition to our staff.  We look forward to you
becoming CTO of Optical Networks, and believe that this position will offer you
both a demanding set of responsibilities and an outstanding opportunity for
substantial personal rewards.

Sincerely,

/s/ Hugh C. Martin
Hugh C. Martin
President and CEO

Agreed and Accepted by:  /s/ Hon Wah Chin                  Date:  6/2/98
                         --------------------------------        ---------------
Start Date:   6/23/98
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                                                                   EXHIBIT 10.15

August 17, 1998

Rusty Cumpston
3732 Woodshadow Lane
Addison, TX  75244

Dear Rusty:

On behalf of Optical Networks Incorporated, I am pleased to offer you a position
of Vice President of Engineering.  You will be reporting directly to Hugh
Martin.

You will receive a salary of $175,000 annually, paid in equal increments on a
bi-weekly basis.  This offer includes a one-time hire on bonus of $45,000 which
will be paid to you within your first 30 days of employment with ONI.  We will
also be offering you an annual bonus of $40,000 (guaranteed for the first year
only) which will be scheduled for payment on your first anniversary with ONI.
We are willing to let you take a loan against this bonus if you purchase a home
in the area and need to use this bonus for part of the down payment.  Please
note, however, that this loan will be fully recoverable by ONI if you are to
leave our employment for any reason within the first 12 months.

We will also be granting you a stock option of 125,000 shares of common stock
with an option price of $0.36 per share.  This stock option must be approved by
our Board of Directors, which will vote on this in the next board meeting after
your start date.  The option will vest over a four-year period with the first
25% vesting upon the first anniversary of your start date and the remainder
vesting at 1/48th of the shares for each month thereafter.

We will be offering you our standard relocation package and temporary housing
for the first 60 days of employment at Oakwood Corporate Housing.  Please
contact me for further explanation of these two benefits.

We have also agreed to 2 round trip tickets between San Jose, CA and Addison, TX
to help in aiding the sale of your home there.

We will be offering you our standard benefits package that includes health,
dental, vision, term life insurance, long term disability, Section 125 and 401K
plans.

We will also be offering you 15 days of vacation per year, 10 company holidays
and up to a maximum of 10 sick days per year.  Please read through your employee
handbook closely for clarification on each of these important policies.

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Rusty Cumpston
August 17, 1998
Page 2

Your employment with ONI is for an indefinite term.  In other words, the
employment relationship is "at will," and you have the right to terminate that
employment relationship at any time for any reason.  Also, although I hope that
you will remain with us and be successful here, ONI must, and does, retain the
right to terminate the employment relationship at any time for any reason.  This
"at will" employment relationship can only be modified in writing by an
authorized officer of ONI.  This paragraph contains the entire agreement between
you and ONI regarding the right and ability of either you or ONI to terminate
your employment with ONI.

Your employment is also conditioned upon your agreement and execution of ONI's
attached Invention, Assignment and Confidentiality Agreement.  You must also
provide proof of your ability to legally work within the United States on your
first day of employment with ONI.

Please sign the bottom of this letter to accept this offer and return the
original to me.  If we do not receive back confirmation of your acceptance by
August 27, 1998 this offer will terminate.

ONI is committed to hiring employees like you that have the courage, creativity,
and experience to develop new ideas for new markets.  We look forward to your
joining us!

Sincerely,

/s/ Lisa Blos-Johnson
Lisa Blos-Johnson
Vice President of Human Resources
Optical Networks Incorporated

/s/ Rusty Cumpston 9/28/98
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Employee Acceptance/Start Date

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